Exposure. The subjects were given a toothpaste containing either 5000 or 1100 ppm fluoride and were instructed to brush once a day with it. They were told to refrain from using any other fluoride-containing oral care product during the study. Main Outcome Measure. The hardness of lesions at ...
特性:纯度:≥99.0% (HPLC) 干燥失重:≤0.5%重金属(以As,Pb计):≤10ppm 熔点:320-330℃ 溶解性:易溶于碱液并成盐,溶于酸、甲酰胺,DMF及吡啶。溶于热水,微溶于冷水、乙醇、乙醚。 储存条件: 室温避光保存 CANSPEC品质提供的Thymine|胸腺嘧啶|65-71-4性能**,英文名称Thymine|胸腺嘧啶简称为Thymine|胸腺嘧啶...
0-100 ppm配件 ABNOX 41928.00继电器 schrack MT331024配件 ABNOX 41923.00座 schrack MT78740二极管 schrack MTMTOOAO振动传感器(配前置器 MONITRAN MTN/EPHD080 probe pener tration=270mm overall sleeve length=330mm s/n:300536振动传感器(配前置器 MONITRAN MTN/EPHD080 probe pener tration=109mm overall sl...